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Finding the Fourth Proportional to 9,002.60, 13,507.95 and 4,069.70

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Solution

The fourth proportional to 9,002.60, 13,507.95 and 4,069.70 is: 6,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002.60 : 13,507.95 = 4,069.70 : x
  2. Step 2: Convert to fraction form
    9,002.60/13,507.95 = 4,069.70/x
  3. Step 3: Cross multiply
    9,002.60x = 13,507.95 × 4,069.70
  4. Step 4: Simplify right side
    9,002.60x = 54,973,304.12
  5. Step 5: Solve for x
    x = 54,973,304.12/9,002.60
  6. Step 6: Final answer
    x = 6,106.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.